Pebibyte to Mebibyte Converter
Convert pebibytes to mebibytes with our free online data storage converter.
Quick Answer
1 Pebibyte = 1073741824 mebibytes
Formula: Pebibyte × conversion factor = Mebibyte
Use the calculator below for instant, accurate conversions.
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All conversion formulas on UnitsConverter.io have been verified against NIST (National Institute of Standards and Technology) guidelines and international SI standards. Our calculations are accurate to 10 decimal places for standard conversions and use arbitrary precision arithmetic for astronomical units.
Pebibyte to Mebibyte Calculator
How to Use the Pebibyte to Mebibyte Calculator:
- Enter the value you want to convert in the 'From' field (Pebibyte).
- The converted value in Mebibyte will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Data Storage category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Pebibyte to Mebibyte: Step-by-Step Guide
Converting Pebibyte to Mebibyte involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Pebibyte = 1073741824 mebibytesExample Calculation:
Convert 10 pebibytes: 10 × 1073741824 = 10737418240 mebibytes
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
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View all Data Storage conversions →What is a Pebibyte and a Mebibyte?
A pebibyte (PiB) is a unit of digital information storage equal to 250 bytes, which is exactly 1,125,899,906,842,624 bytes (or 10245 bytes). It uses the binary prefix 'pebi-' established by the International Electrotechnical Commission (IEC). The pebibyte was created to provide an unambiguous measurement for byte multiples based on powers of 2, distinguishing it from the petabyte (PB), which is based on the decimal prefix 'peta-' (1015 or 1,000,000,000,000,000 bytes).
A mebibyte (MiB) is a unit of digital information storage equal to 220 bytes, which is exactly 1,048,576 bytes (or 10242 bytes). It uses the binary prefix 'mebi-' established by the International Electrotechnical Commission (IEC). The mebibyte was created to provide an unambiguous measurement for byte multiples based on powers of 2, distinguishing it from the megabyte (MB), which is based on the decimal prefix 'mega-' (106 or 1,000,000 bytes).
Note: The Pebibyte is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Mebibyte belongs to the imperial/US customary system.
History of the Pebibyte and Mebibyte
The prefix 'pebi-' (representing 250) was defined by the IEC in 1998 alongside other binary prefixes (kibi-, mebi-, gibi-, tebi-, exbi-). Before this standard, the SI prefix 'peta-' (P) was ambiguously used to represent both 1,000,000,000,000,000 (1015, as per its SI definition) and 1,125,899,906,842,624 (250) in computing contexts, especially for very large data volumes. This led to significant confusion when comparing storage capacities advertised by manufacturers (often using decimal prefixes) and those reported by operating systems or used in technical specifications (often using binary interpretations). The introduction of the pebibyte (PiB) aimed to resolve this ambiguity by providing a specific term for 250 bytes.
The prefix 'mebi-' (representing 220) was defined by the IEC in 1998 alongside other binary prefixes (kibi-, gibi-, tebi-, etc.). Before this standard, the SI prefix 'mega-' (M) was ambiguously used to represent both 1,000,000 (106, as per its SI definition) and 1,048,576 (220) in computing contexts. This led to confusion, especially when comparing storage capacities advertised by manufacturers (often using decimal prefixes) and memory sizes or file sizes reported by operating systems (often using binary interpretations). The introduction of the mebibyte (MiB) aimed to resolve this ambiguity by providing a specific term for 1,048,576 bytes.
Common Uses and Applications: pebibytes vs mebibytes
Explore the typical applications for both Pebibyte (imperial/US) and Mebibyte (imperial/US) to understand their common contexts.
Common Uses for pebibytes
Pebibytes are used in contexts dealing with extremely large amounts of data storage where precision based on powers of 2 is necessary:
- Measuring the capacity of very large-scale storage systems, data centers, and cloud storage infrastructure.
- Reporting file system sizes and disk space usage by operating systems for extremely large volumes, especially where IEC standards are followed.
- High-performance computing (HPC), large dataset analysis (Big Data), scientific research, and simulations involving massive data storage requirements.
- Technical specifications for enterprise-level storage hardware and software where exact binary multiples are crucial.
- Archiving and backup systems handling petabyte-scale data.
When to Use mebibytes
Mebibytes are used in contexts where precision based on powers of 2 is necessary:
- Precisely measuring computer memory (RAM) capacity, which is typically manufactured in powers-of-2 sizes.
- Reporting file sizes and disk space usage by operating systems (like Windows, macOS, Linux distributions) and file systems that adhere to IEC standards.
- Software development, technical documentation, and virtualization where exact binary multiples are crucial for calculations, specifications, or resource allocation.
- Cache sizes in CPUs and other hardware components.
Additional Unit Information
About Pebibyte (PiB)
How many bytes are in a pebibyte (PiB)?
There are exactly 250 bytes in 1 pebibyte (PiB). This equals 1,125,899,906,842,624 bytes.
How many tebibytes (TiB) are in a pebibyte (PiB)?
There are 1,024 tebibytes (TiB) in 1 pebibyte (PiB). This follows the binary prefix system where 1 PiB = 250 bytes and 1 TiB = 240 bytes, and 250 / 240 = 210 = 1,024.
What is the difference between a pebibyte (PiB) and a petabyte (PB)?
A pebibyte (PiB) represents 250 bytes (1,125,899,906,842,624 bytes), using the IEC binary prefix 'pebi-'. A petabyte (PB) typically represents 1015 bytes (1,000,000,000,000,000 bytes), using the SI decimal prefix 'peta-'. A pebibyte is approximately 12.6% larger than a petabyte (1 PiB ≈ 1.126 PB). Use PiB for precision in binary contexts (like large-scale OS reporting, HPC storage) and PB for decimal contexts (like marketing large storage systems) or when the specific definition is clarified.
What is the difference between a pebibyte (PiB) and a pebibit (Pib)?
A pebibyte (PiB) measures information in bytes, while a pebibit (Pib) measures information in bits. Assuming the standard 1 byte = 8 bits, 1 pebibyte (PiB) is equal to 8 pebibits (Pib). Both use the binary prefix 'pebi-' (250).
Why is PiB used less often than PB in marketing?
Marketing materials for large storage systems often use the decimal prefix (PB, EB) because it results in a larger-looking number for capacity compared to the binary prefix (PiB, EiB) for the same amount of physical storage. For example, 1015 bytes is marketed as 1 PB, while an OS might report a similar capacity using PiB (1 PB is approximately 0.888 PiB). Using decimal units allows manufacturers to advertise higher, rounder numbers, even though technical contexts often rely on binary measurements.
About Mebibyte (MiB)
How many bytes are in a mebibyte (MiB)?
There are exactly 220 bytes in 1 mebibyte (MiB). This equals 1,048,576 bytes.
How many kibibytes (KiB) are in a mebibyte (MiB)?
There are 1,024 kibibytes (KiB) in 1 mebibyte (MiB). This follows the binary prefix system where 1 MiB = 220 bytes and 1 KiB = 210 bytes, and 220 / 210 = 210 = 1,024.
What is the difference between a mebibyte (MiB) and a megabyte (MB)?
A mebibyte (MiB) represents 220 bytes (1,048,576 bytes), using the IEC binary prefix 'mebi-'. A megabyte (MB) typically represents 106 bytes (1,000,000 bytes), using the SI decimal prefix 'mega-'. A mebibyte is approximately 4.86% larger than a megabyte (1 MiB ≈ 1.0486 MB). Use MiB for precision in binary contexts (like RAM, OS reporting) and MB for decimal contexts (like hard drive marketing, network speeds in some cases) or when the specific definition is clarified.
What is the difference between a mebibyte (MiB) and a mebibit (Mib)?
A mebibyte (MiB) measures information in bytes, while a mebibit (Mib) measures information in bits. Assuming the standard 1 byte = 8 bits, 1 mebibyte (MiB) is equal to 8 mebibits (Mib). Both use the binary prefix 'mebi-' (220).
Why is MiB used less often than MB in marketing?
Marketing materials (like hard drive capacities) often use the decimal prefix (MB, GB) because it results in a larger-looking number for capacity compared to the binary prefix (MiB, GiB) for the same amount of physical storage (e.g., 1,000,000,000 bytes is marketed as 1 GB, while an OS might report it as approximately 931 MiB, not GiB, because 1 GB is closer to 953.67 MiB, but OS often report GiB as GB). This discrepancy arises because 1 MB = 106 bytes, whereas 1 MiB = 220 bytes. Using decimal units allows manufacturers to advertise higher numbers.
Conversion Table: Pebibyte to Mebibyte
| Pebibyte (PiB) | Mebibyte (MiB) |
|---|---|
| 0.5 | 536,870,912 |
| 1 | 1,073,741,824 |
| 1.5 | 1,610,612,736 |
| 2 | 2,147,483,648 |
| 5 | 5,368,709,120 |
| 10 | 10,737,418,240 |
| 25 | 26,843,545,600 |
| 50 | 53,687,091,200 |
| 100 | 107,374,182,400 |
| 250 | 268,435,456,000 |
| 500 | 536,870,912,000 |
| 1,000 | 1,073,741,824,000 |
People Also Ask
How do I convert Pebibyte to Mebibyte?
To convert Pebibyte to Mebibyte, enter the value in Pebibyte in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our data storage converter page to convert between other units in this category.
Learn more →What is the conversion factor from Pebibyte to Mebibyte?
The conversion factor depends on the specific relationship between Pebibyte and Mebibyte. You can find the exact conversion formula and factor on this page. Our calculator handles all calculations automatically. See the conversion table above for common values.
Can I convert Mebibyte back to Pebibyte?
Yes! You can easily convert Mebibyte back to Pebibyte by using the swap button (⇌) in the calculator above, or by visiting our Mebibyte to Pebibyte converter page. You can also explore other data storage conversions on our category page.
Learn more →What are common uses for Pebibyte and Mebibyte?
Pebibyte and Mebibyte are both standard units used in data storage measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our data storage converter for more conversion options.
For more data storage conversion questions, visit our FAQ page or explore our conversion guides.
Helpful Conversion Guides
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📚 How to Convert Units
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🔢 Conversion Formulas
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All Data Storage Conversions
Other Data Storage Units and Conversions
Explore other data storage units and their conversion options:
- Bit (b) • Pebibyte to Bit
- Byte (B) • Pebibyte to Byte
- Kilobit (kb) • Pebibyte to Kilobit
- Kilobyte (KB) • Pebibyte to Kilobyte
- Megabit (Mb) • Pebibyte to Megabit
- Megabyte (MB) • Pebibyte to Megabyte
- Gigabit (Gb) • Pebibyte to Gigabit
- Gigabyte (GB) • Pebibyte to Gigabyte
- Terabit (Tb) • Pebibyte to Terabit
- Terabyte (TB) • Pebibyte to Terabyte
Verified Against Authority Standards
All conversion formulas have been verified against international standards and authoritative sources to ensure maximum accuracy and reliability.
International Electrotechnical Commission — Binary prefixes for digital storage (KiB, MiB, GiB)
International Organization for Standardization — International standards for quantities and units
Last verified: December 3, 2025